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Hypoglossal Nerve

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https://www.readbyqxmd.com/read/28343842/cranial-nerve-palsy-following-central-neuraxial-block-in-obstetrics-a-review-of-the-literature-and-analysis-of-43-case-reports
#1
D J Chambers, K Bhatia
BACKGROUND: Cranial nerve palsy is a rarely reported complication of central neuraxial block in obstetrics. The aetiology is diverse and includes both decreased and increased intracranial pressure. METHODS: Medline, CINAHL, and EMBASE databases were searched to identify cases of cranial nerve palsy following obstetric central neuraxial block. Possible aetiology, clinical symptoms and signs, treatment, and time to resolution were assessed. RESULTS: Forty-one articles containing 43 case reports of cranial nerve palsy following obstetric central neuraxial block were identified...
February 20, 2017: International Journal of Obstetric Anesthesia
https://www.readbyqxmd.com/read/28324801/schwannoma-of-the-descending-loop-of-the-hypoglossal-nerve-case-report
#2
Giulio Illuminati, Giulia Pizzardi, Rocco Pasqua, Piergaspare Palumbo, Francesco Vietri
INTRODUCTION: Schwannomas of the descending loop of the hypoglossal nerve are very rare. They are slow-growing tumors that may masquerade a carotid body tumor. PRESENTATION OF CASE: A 60-year-old female was referred for a latero-cervical mass appearing as a chemodectoma at CT-scan. At operation, a 2cm mass arising from the descending loop of the hypoglossal nerve was resected en bloc with the loop itself and a functional lymphadenectomy was associated. Post-operative course was uneventful and the patient is free from disease recurrence at one year follow-up...
March 7, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28323640/a-micro-scale-printable-nanoclip-for-electrical-stimulation-and-recording-in-small-nerves
#3
Charles A Lissandrello, Winthrop F Gillis, Jun Shen, Ben W Pearre, Flavia Vitale, Matteo Pasquali, Bradley J Holinski, Daniel J Chew, Alice E White, Timothy J Gardner
OBJECTIVE: The vision of bioelectronic medicine is to treat disease by modulating the signaling of visceral nerves near various end organs. In small animal models, the nerves of interest can have small diameters and limited surgical access. New high-resolution methods for building nerve interfaces are desirable. In this study, we present a novel nerve interface and demonstrate its use for stimulation and recording in small nerves. APPROACH: We design and fabricate micro-scale electrode-laden nanoclips capable of interfacing with nerves as small as 50 µm in diameter...
March 21, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28320781/isolated-hypoglossal-nerve-palsy-due-to-internal-carotid-artery-dissection
#4
EDITORIAL
Purwa Joshi, David Bourke
No abstract text is available yet for this article.
March 20, 2017: Practical Neurology
https://www.readbyqxmd.com/read/28318880/highly-conformal-craniospinal-radiotherapy-techniques-can-underdose-the-cranial-clinical-target-volume-if-leptomeningeal-extension-through-skull-base-exit-foramina-is-not-contoured
#5
D J Noble, T Ajithkumar, J Lambert, I Gleeson, M V Williams, S J Jefferies
AIMS: Craniospinal irradiation (CSI) remains a crucial treatment for patients with medulloblastoma. There is uncertainty about how to manage meningeal surfaces and cerebrospinal fluid (CSF) that follows cranial nerves exiting skull base foramina. The purpose of this study was to assess plan quality and dose coverage of posterior cranial fossa foramina with both photon and proton therapy. MATERIALS AND METHODS: We analysed the radiotherapy plans of seven patients treated with CSI for medulloblastoma and primitive neuro-ectodermal tumours and three with ependymoma (total n = 10)...
March 15, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28294946/continuing-the-original-stanford-sleep-surgery-protocol-from-upper-airway-reconstruction-to-upper-airway-stimulation-our-first-successful-case
#6
Stanley Yung Liu, Robert Wayne Riley
In 1993, a surgical protocol for dynamic upper airway reconstruction in patients with obstructive sleep apnea (OSA) was published, and it became commonly known as the Stanford phase 1 and 2 sleep surgery protocol. It served as a platform on which research and clinical studies have continued to perfect the surgical care of patients with OSA. However, relapse is inevitable in a chronic condition such as OSA, and a subset of previously cured surgical patients return with complaints of excessive daytime sleepiness...
February 20, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28288998/anterior-condylar-confluence-dural-arteriovenous-fistula-a-rare-cause-of-hoarseness
#7
Ghim Song Chia, Winston Eng Hoe Lim
Hoarseness secondary to an anterior condylar confluence (ACC) dural arteriovenous fistula (DAVF) has not been previously described. We present a 58-year-old patient with a 3-week history of progressive unilateral left-sided headaches and hoarseness. Nasolaryngoscopy and CT neck showed the presence of unilateral vocal cord palsy with no identifiable cause along the expected course of the recurrent laryngeal nerve. MRI revealed an incidental finding of abnormal serpiginous vessels in the left hypoglossal canal which led to a diagnostic cerebral angiogram, confirming the presence of an ACC DAVF...
March 13, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28258916/malignant-peripheral-nerve-sheath-tumor-of-the-tongue-with-an-unusual-pattern-of-recurrence
#8
Soumyajit Roy, Ajeet Kumar Gandhi, Bharti Devnani, Lavleen Singh, Bidhu Kalyan Mohanti
Malignant peripheral nerve sheath tumor (MPNST) of oral cavity is an extremely uncommon malignancy. Less than 15 cases have been reported since 1973 though none of them describes a distant metastasis. We present a rare case of MPNST of the tongue who presented with features of hypoglossal nerve palsy. Incisional biopsy showed a malignant spindle cell tumor in the sub-epithelial connective tissue. The tumor cells were immune-positive for S-100. He underwent surgery followed by adjuvant chemo-radiation. Later the disease recurred in the form of isolated pelvic bone metastasis...
February 28, 2017: Journal of the Egyptian National Cancer Institute
https://www.readbyqxmd.com/read/28243697/classification-system-for-lateral-pharyngotomy-systematic-study-of-anatomic-exposure-in-a-human-cadaver-model
#9
Courtney Shires, Aaron Smith, Jenn Lee, John Boughter, Merry Sebelik
INTRODUCTION: Lateral pharyngotomy (LP) is a surgical procedure that allows exposure to tumors of the pharynx and supraglottic larynx. This study was undertaken to: (1) propose a classification system of LP used in exposing various sites of the oropharynx, supraglottis, and hypopharynx. (2) Describe the structures visible with each category of LP. MATERIALS AND METHODS: Five tissue-fixed human cadavers from our gross anatomy laboratory were dissected in a manner similar to surgical lateral pharyngotomy...
February 27, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28208975/solid-cystic-hypoglossal-nerve-schwannoma-with-fluid-fluid-level-a-rare-case-report
#10
Kulamani Sahoo, Pramod Ramchand Shaha, Rahul Khetawat, Mohd Abbas Ilyas, Gaurav Rajendra Khairnar
Schwannomas (neurinoma, neurilemmoma) are benign slow-growing encapsulated tumours originating from well-differentiated myelin-producing Schwann cells or nerve fiber sheet cells at the glial-Schwann cell junction. Hypoglossal nerve schwannoma mostly develops in the intracranial and extra-cranial segment or in both intracranial and extra-cranial segment forming a dumbbell shape tumour. The peripheral hypoglossal schwannomas are very rare. We present a case of right hypoglossal nerve schwannoma in a 46-year-old female who presented with headache and neck pain since 2 weeks with deviation of tongue to right side since 1 week...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28193110/pontine-tegmental-cap-dysplasia-in-an-extremely-preterm-infant-and-review-of-the-literature
#11
Sylvie Picker-Minh, Sebastian Hartenstein, Hans Proquitté, Sebastian Fröhler, Vera Raile, Nadine Kraemer, Sarah Apeshiotis, Michael Leipoldt, Karim D Kalache, Deborah Morris-Rosendahl, Eugen Boltshauser, Wei Chen, Angela M Kaindl
Pontine tegmental cap dysplasia is a rare hindbrain malformation syndrome with a hypoplastic pons, a tissue protrusion into the fourth ventricle, and cranial nerve dysfunction. We here report clinical, imaging, and genetic findings of the first extremely low-birth-weight preterm infant with pontine tegmental cap dysplasia born at 25 weeks of gestation and provide an overview of 29 sporadic cases. A prenatally diagnosed hypoplastic and rostrally shifted cerebellum was indicative of a hindbrain defect and later identified as an early sign of pontine tegmental cap dysplasia in our patient...
March 2017: Journal of Child Neurology
https://www.readbyqxmd.com/read/28161565/dual-antiplatelet-therapy-does-not-increase-the-risk-of-bleeding-after-carotid-endarterectomy-results-of-a-prospective-study
#12
Giulio Illuminati, Fabrice Schneider, Giulia Pizzardi, Federica Masci, Francesco G Calio', Jean-Baptiste Ricco
BACKGROUND: The purpose of this study was to evaluate the risk of bleeding and other postoperative complications of carotid endarterectomy (CEA) in patients receiving dual antiplatelet therapy (DAPT). METHODS: From January 2005 to December 2015, 188 consecutive patients undergoing CEA and receiving DAPT (aspirin 100 mg + clopidogrel 75 mg) were enrolled in a prospective study. All of them underwent coronary artery stenting with drug-eluting stents during the 6 months preceding CEA...
February 2, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28128694/the-rectus-capitis-lateralis-and-the-condylar-triangle-important-landmarks-in-posterior-and-lateral-approaches-to-the-jugular-foramen
#13
Michael A Cohen, Alexander I Evins, Gennaro Lapadula, Leopold Arko, Philip E Stieg, Antonio Bernardo
OBJECTIVE The rectus capitis lateralis (RCL) is a small posterior cervical muscle that originates from the transverse process of C-1 and inserts onto the jugular process of the occipital bone. The authors describe the RCL and its anatomical relationships, and discuss its utility as a surgical landmark for safe exposure of the jugular foramen in extended or combined skull base approaches. In addition, the condylar triangle is defined as a landmark for localizing the vertebral artery (VA) and occipital condyle...
January 27, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28126502/-therapeutic-alternatives-to-continuous-positive-airway-pressure-for-obstructive-sleep-apnea-hypopnea-syndrome
#14
Frédéric Gagnadoux, Marie Jouvenot, Nicole Meslier, Pascaline Priou, Wocjiech Trzepizur
Oral appliance therapy (OAT) is the main therapeutic alternative to continuous positive airway pressure (CPAP). OAT has been recommended as an appropriate first-line treatment option for moderate obstructive sleep apnea-hypopnea syndrome (OSAHS) in patients without severe cardiovascular comorbidity. The lower efficacy of OAT in reducing sleep-disordered breathing could be offset by a higher compliance relative to CPAP, resulting in similar health outcomes in terms of sleepiness, neurobehavioral functioning, quality of life and blood pressure...
January 23, 2017: La Presse Médicale
https://www.readbyqxmd.com/read/28117240/cranial-nerve-injury-after-carotid-endarterectomy-incidence-risk-factors-and-time-trends
#15
REVIEW
J D Kakisis, C N Antonopoulos, G Mantas, K G Moulakakis, G Sfyroeras, G Geroulakos
OBJECTIVE/BACKGROUND: Τo review the incidence of post-carotid endarterectomy (CEA) cranial nerve injury (CNI), and to evaluate the risk factors associated with increased CNI risk. METHODS: The study was a meta-analysis. Pooled rates with 95% confidence intervals (CIs) were calculated for CNIs after primary CEA. Odds ratios (ORs) were calculated for potential risk factors. A fixed-effects model or a random effects model (Mantel-Haenszel method) was used for non-heterogeneous and heterogeneous data, respectively...
January 21, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28116457/-drug-induced-sedation-endoscopy-quo-vadis-review-and-outlook
#16
M Herzog, J T Maurer
BACKGROUND: Drug-induced sedation endoscopy (DISE) is a diagnostic procedure which allows evaluation of the collapsibility of the upper airway. According to expert opinion, it is possible to imitate nocturnal collapsibility and perform a realistic investigation of the site of obstruction and vibration. This should enable sufficient and precise therapeutic advice to be given solely on the basis of clinical assessment. OBJECTIVE: The current publication critically evaluates the present state of development of DISE and its potential indications...
January 23, 2017: HNO
https://www.readbyqxmd.com/read/28109859/microsurgical-anatomy-of-the-hypoglossal-and-c1-nerves-description-of-a-previously-undescribed-branch-to-the-atlanto-occipital-joint
#17
Joe Iwanaga, Christian Fisahn, Fernando Alonso, Daniel DiLorenzo, Peter Grunert, Matthew T Kline, Koichi Watanabe, Rod J Oskouian, Robert J Spinner, R Shane Tubbs
OBJECTIVE: Distal branches of the C1 nerve that travel with the hypoglossal nerve have been well investigated but relationships of C1 and the hypoglossal nerve near the skull base have not been described in detail. Therefore, the aim of this study was to investigate these small branches of the hypoglossal and first cervical nerves by anatomical dissection. METHODS: Twelve sides from six cadaveric specimens were used in this study. To elucidate the relationship among the hypoglossal, vagus, and first and cervical nerve, the mandible was removed and these nerves were dissected under the surgical microscope...
January 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28105667/palatoglossus-coupling-in-selective-upper-airway-stimulation
#18
Clemens Heiser, Günther Edenharter, Murat Bas, Markus Wirth, Benedikt Hofauer
OBJECTIVES/HYPOTHESIS: Selective upper airway stimulation (sUAS) of the hypoglossal nerve is a useful therapy to treat patients with obstructive sleep apnea. Is it known that multiple obstructions can be solved by this stimulation technique, even at the retropalatal region. The aim of this study was to verify the palatoglossus coupling at the soft palate during stimulation. STUDY DESIGN: Single-center, prospective clinical trail. METHODS: Twenty patients who received an sUAS implant from April 2015 to April 2016 were included...
January 20, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28079432/primary-tumors-of-the-facial-nerve-misdiagnosed-a-case-series-and-review-of-the-literature
#19
Haijin Yi, Bin Hu, Guoping Yin, Xin Li, Jinkun Xu, Jingying Ye, Shi-Ming Yang
CONCLUSION: Unusual primary tumors of the facial nerve should be considered in patients with progressive facial paralysis, especially if this is accompanied by hearing loss or vertigo. Misdiagnosis could increase the difficulties of operation, diminish the chance of facial nerve reconstruction, and increase the likelihood of poor reconstructive outcomes. OBJECTIVE: This paper was to determine the characteristics of facial nerve primary tumors misdiagnosed as tumor-free conditions many years prior, and to describe appropriate treatments...
January 12, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28067182/successful-conservative-treatment-of-an-intracranial-pneumatocele-with-post-traumatic-hypoglossal-nerve-palsy-secondary-to-diffuse-temporal-bone-pneumocele-case-report-and-review-of-the-literature
#20
REVIEW
M A Taube, G M Potter, S K Lloyd, S R Freeman
BACKGROUND: A pneumocele occurs when an aerated cranial cavity pathologically expands; a pneumatocele occurs when air extends from an aerated cavity into adjacent soft tissues forming a secondary cavity. Both pathologies are extremely rare with relation to the mastoid. This paper describes a case of a mastoid pneumocele that caused hypoglossal nerve palsy and an intracranial pneumatocele. CASE REPORT: A 46-year-old man presented, following minor head trauma, with hypoglossal nerve palsy secondary to a fracture through the hypoglossal canal...
February 2017: Journal of Laryngology and Otology
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